plotly

library(tidyverse)
library(ggrepel)
library(plotly)
library(styler)

data <- read_csv("life_quality.csv")

# Assigning a "size" to each country proportional to their population, scaling population
data <- mutate(data, size = sqrt(pop * 1e-03))

# 5 colours for 5 continents
colors <- c("#e41a1c", "#377eb8", "#4daf4a", "#984ea3", "#ff7f00")

plot_ly(data,
  x = ~ gdp_per_capita,
  y = ~life_expectancy,
  # Cannot use population directly as difference is too big between countries, thus population has been scaled
  size = ~size,
  type = "scatter",
  mode = "markers",
  # Grouping by continent
  color = ~continent,
  # Assigning colours to each continent
  colors = colors,
  sizes = c(5, 80),
  marker = list(
    symbol = "circle",
    sizemode = "diameter",
    line = list(
      width = 1,
      color = "white"
    )
  ),
  text = ~ paste(
    # Labelling the labels in hovertext
    "Country:", country_name,
    "\nLife Expectancy:", life_expectancy,
    "\nGDP:", gdp_per_capita,
    "\nPop.:", pop
  ),
  fill = ~ ''
) |>
  layout(
    title = "Wealth and Health by Country",
    xaxis = list(
      title = "GDP per capita (US$, PPP 2015)",
      type = "log",
      showgrid = TRUE,
      gridcolor = "rgb(235, 235, 235)",
      zerolinewidth = 1,
      ticklen = 5,
      gridwidth = 2,
      tickmode = "linear",
      ticktext = scales::dollar(c(1000, 10000, 100000)),
      # Breaks
      tickvals = list(3, 4, 5)
    ),
    yaxis = list(
      title = "Life Expectancy (years)",
      gridcolor = "rgb(235, 235, 235)",
      zerolinewidth = 1,
      ticklen = 5,
      gridwith = 2
    ),
    paper_bgcolor = "rgb(255, 255, 255)",
    plot_bgcolor = "rgb(255, 255, 255)",
    legend = list(
      itemsizing = "constant",
      title = list(text = "<b> Continents <b>")
    ),
    annotations = list(
      x = 1.2,
      y = -0.1,
      text = "Source: World Bank",
      showarrow = FALSE,
      xref = "paper",
      yref = "paper",
      xanchor = "right",
      yanchor = "auto",
      xshift = 0,
      yshift = 0,
      font = list(size = 12)
    )
  ) |>
  animation_opts(
    2000,
    redraw = FALSE
  )